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This Copernicus Sentinel-1 image features part of the Badain Jaran Desert in northwestern China.

Scientists are raising concerns about free-living amoebae, resilient microbes that can survive in water systems and enable the spread of deadly infections. Scientists specializing in environmental and public health are drawing attention to a group of pathogens that has received little public notice …

Picture this: You’re just about done with a transoceanic flight, and the tracker in your seat-back screen shows you approaching your destination airport. And then … you notice your plane is moving away. Pretty far away. You approach again and again, only to realize you’re on a long, circling loop th…

It's too good to give up.

Just Security will be on a hiatus returning with our regular publishing schedule on Monday, Jan. 5, 2026. The Early Edition and Today on Just Security newsletters are on hiatus and also returning Jan. 5. Readers may be interested in catching up on some of our recent articles, including our coverage …

With a second Trump Administration at the helm in 2025, NASA marked significant progress toward the Artemis II test flight early next year, which is the first crewed mission around the Moon in more than 50 years, as well as built upon its momentum toward a human return to the lunar surface in prepar…

It is with a heavy heart that I announce that NASA Earth Science Communications has directed The Earth Observer to conduct an orderly shutdown of the publication. No new content will be published after Dec. 31, 2025. While the sunset of The Earth Observer is bittersweet for our team, the good news i…

Cell surface proteins are key disease biomarkers and therapeutic targets, yet high-throughput methods for aptamer discovery targeting these proteins in situ remain limited. We introduce single-cell perturbation-driven aptamer recognition and kinetics ...

Shannen Doherty’s estate has claimed that her ex-husband Kurt Iswarienko owes money after refusing to list their $1.5 million Texas home, despite the terms outlined in their divorce agreement.

By moving around, some cancer cells force attacking immune cells to just nibble at the edges rather than engulf them completely.